How To Check Open Port By Telnetby Ed ChenAugust 2, 2013February 27, 2019Check Open Port If you'd like to check open port of a remote server, there is a very simple way to do it by using… Read More »How To Check Open Port By Telnet
How to Comment Out a Huge Block of Shell Codeby Ed ChenMarch 10, 2013March 31, 2018You might want to comment out some lines of shell script code during debug-time, you can just add a pound sign # to the head… Read More »How to Comment Out a Huge Block of Shell Code
How to Retrieve a Directory Recursively by FTP Alternativelyby Ed ChenDecember 17, 2012December 28, 2020There is no direct FTP command that can recursively download a directory, so don't expect that you can do this operation in one or few… Read More »How to Retrieve a Directory Recursively by FTP Alternatively
How to Remove ^M Character from Filesby Ed ChenDecember 11, 2012December 28, 2020Editing on client side computer has many advantages than on server side. In real world, Windows takes the largest market share on client environment, therefore,… Read More »How to Remove ^M Character from Files
How to Write Control File into Raw Deviceby Ed ChenOctober 25, 2012August 5, 2020Control File in Raw Device? Since raw devices cannot be read/write as a normal file operation, you cannot write a controlfile directly into a raw… Read More »How to Write Control File into Raw Device
How to Remove No-Name or Empty-Name Filesby Ed ChenOctober 17, 2012October 17, 2019After you finish your shell scripting, you'd like to try your scripts to see the result in your test environment. In the debug phase, you… Read More »How to Remove No-Name or Empty-Name Files
How to Resolve Only at Command is Available to Schedule Jobsby Ed ChenOctober 16, 2012May 4, 2019Only at Command Available When you are a customer DBA at your client's site to do routine db data collection or planned health check tasks,… Read More »How to Resolve Only at Command is Available to Schedule Jobs